LM5109BSDX

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LM5109BSDX

+БОМ

IC GATE DRVR HALF-BRIDGE 8WSON

  • ПроизводительТехасские инструменты

  • Мфр. Часть #LM5109BSDX

  • В наличии8581

365 Дни гарантии качества

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90-гарантия послепродажного дня

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Спецификации

Атрибут Ценность
Part Status Obsolete
DigiKey Programmable Not Verified
Driven Configuration Half-Bridge
Channel Type Independent
Number of Drivers 2
Gate Type MOSFET (N-Channel)
Voltage - Supply 8V ~ 14V
Logic Voltage - VIL, VIH 0.8V, 2.2V
Current - Peak Output (Source, Sink) 1A, 1A
Input Type Non-Inverting
Rise / Fall Time (Typ) 15ns, 15ns
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 8-WDFN Exposed Pad
Supplier Device Package 8-WSON (4x4)
Base Product Number LM5109
High Side Voltage - Max (Bootstrap) 108 V

Обзор

Description

The LM5109BSDX is a high-speed, dual-channel gate driver designed for driving N-channel MOSFETs and IGBTs in power conversion applications. It features a matched, high-current output capability, enabling efficient switching in half-bridge or full-bridge configurations. The device operates from a wide supply voltage range, typically between 10V to 20V, and has a fast rise and fall time, which enhances the overall efficiency and performance of power electronic circuits.
The LM5109BSDX includes integrated bootstrapping for high-side gate drive, ensuring reliable operation in various configurations. It also offers protection features such as under-voltage lockout (UVLO) and shoot-through protection to safeguard the circuit against potential faults. With its compact package and robust design, the LM5109BSDX is suitable for applications in motor drives, power inverters, and renewable energy systems, providing excellent performance in demanding environments.
Overall, it is an ideal choice for engineers seeking reliable and efficient gate driving solutions in modern power electronics.

Equivalent

The LM5109BSDX is a high-voltage, high-speed gate driver. Equivalent products include the MIC4427, TC4427, and FAN3100. Other alternatives may be the ISL6625 or the NCP81074, depending on specific application requirements such as voltage, current capacity, and switching speed. Always check the datasheets for compatibility with your design specifications.

Features

The LM5109BSDX is a high-speed gate driver designed for driving N-channel MOSFETs in half-bridge configurations. Key features include:
1. High Voltage Capability: Supports gate drive voltages up to 100V.
2. Fast Switching: Delivers rapid switching times, enhancing efficiency in power conversion applications.
3. Bootstrap Operation: Allows for high-side driving using a bootstrap capacitor, eliminating the need for an additional power supply.
4. Integrated Level Shifting: Includes a built-in level-shifting function that simplifies high-side and low-side driver configurations.
5. Under-Voltage Lockout (UVLO): Protects the circuit by disabling the outputs when the supply voltage is too low.
6. Shoot-Through Protection: Prevents simultaneous conduction of high- and low-side MOSFETs, minimizing power loss and thermal stress.
7. Thermal Shutdown: Includes thermal protection to prevent overheating.
8. Wide Operating Temperature Range: Suitable for various applications, operating from -40°C to +125°C.
These features make the LM5109BSDX ideal for use in power supplies, motor drives, and other high-performance applications.

Pinout

The LM5109BSDX is a high-speed, dual-channel gate driver with a pin count of 16. Its primary function is to drive the gates of N-channel MOSFETs in half-bridge and full-bridge applications, which is crucial for efficient power conversion in various circuits, including DC-DC converters and motor drives.
Key features include:
- Dual output channels for driving two MOSFETs.
- High peak output current capability (up to 2A).
- Adjustable rise and fall times.
- Enable and fault protection features.
- Operates across a wide voltage range.
The LM5109BSDX is designed to provide robust performance in switching applications, ensuring fast response and reduced switching losses.

Manufacturer

The LM5109BSDX is manufactured by Texas Instruments (TI), a major American technology company. Texas Instruments specializes in the design and production of semiconductors and various integrated circuits. Founded in 1930, the company is well-known for its innovation in analog and embedded processing technologies, as well as its digital signal processing (DSP) solutions.
Texas Instruments serves a diverse range of industries, including automotive, industrial, communications, consumer electronics, and more. Their products include microcontrollers, processors, sensors, and power management devices, among others. TI is recognized for its commitment to research and development, driving advancements in electronic systems and enhancing the performance of electronic devices worldwide. The LM5109BSDX itself is a high-voltage gate driver used in applications like power inverters and motor drives, showcasing TI's focus on power management solutions.

Application

The LM5109BSDX is a high-speed, high-voltage gate driver primarily used in power electronics applications. Its key areas include:
1. DC-DC Converters: Boost and buck converters.
2. Inverters: For solar, wind, and UPS applications.
3. Motor Drives: Driving MOSFETs and IGBTs in industrial and automotive motors.
4. Class D Audio Amplifiers: Enhancing audio performance by driving power transistors.
5. Switch Mode Power Supplies (SMPS): For efficient voltage regulation.
With its capability to drive high-side and low-side switches, it ensures efficient operation in these applications.

Package

The LM5109BSDX is packaged in a 10-pin MSOP (Mini Small Outline Package). This compact package type is designed for efficient thermal management and space-saving applications in electronic circuits.

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